13321023231303 has 8 divisors (see below), whose sum is σ = 19734849231600. Its totient is φ = 8880682154184.

The previous prime is 13321023231301. The next prime is 13321023231311. The reversal of 13321023231303 is 30313232012331.

13321023231303 is a `hidden beast` number, since 1 + 3 + 32 + 1 + 0 + 2 + 323 + 1 + 303 = 666.

It is not a de Polignac number, because 13321023231303 - 2¹ = 13321023231301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 493371230789 = 13321023231303 / (1 + 3 + 3 + 2 + 1 + 0 + 2 + 3 + 2 + 3 + 1 + 3 + 0 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321023231301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246685615368 + ... + 246685615421.

It is an arithmetic number, because the mean of its divisors is an integer number (2466856153950).

Almost surely, 2^{13321023231303} is an apocalyptic number.

13321023231303 is a deficient number, since it is larger than the sum of its proper divisors (6413826000297).

13321023231303 is an equidigital number, since it uses as much as digits as its factorization.

13321023231303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493371230798 (or 493371230792 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 13321023231303 its reverse (30313232012331), we get a palindrome (43634255243634).

The spelling of 13321023231303 in words is "thirteen trillion, three hundred twenty-one billion, twenty-three million, two hundred thirty-one thousand, three hundred three".